Microplasticity,Microdamage,Microcracking in Ultrasonic Fatigue

摘要：

　　Depending upon the fatigue domain,different types of crack initiation occur.In low cycle fatigue,the cyclic plastic deformation is critical at the surface but exists also in the bulk of the metal.In high cycle fatigue,the plastic deformation is limited to the surface in plane stress conditions.In very high cycle fatigue,the crack initiates from the interior,starting from a defect in plane strain conditions.This means that the initiation mechanisms in gigacycle fatigue depend not only on upon the stress field but also on the stability of the microstructure.

关键词： Gigacycle fatigue fish eye plasticity microstructure

作者: C Bathias D Field S Antolovich PC Paris

作者单位: University of Paris Ouest,LEME,50 rue de Sevres,Ville d’Avray,92410 Fr Washington State University,Pullman,WA 99164-2920 GeorgiaTech,Atlanta,Ga,30332-0245 Washington University,Saint Louis,Mo,63130

会议类型: 国际会议

会议名称: 第13届国际断裂大会(ICF2013)

会议地点: 北京

会议语种:英文

页码: 1-10

在线出版日期: 2013-06-16（万方平台首次上网日期，不代表论文的发表时间）